Page:Cyclopedia of Painting-Armstrong, George D (1908).djvu/275

Rh cover, held in place by removable ferrules, so that it may be easily replaced.

The wall paper trimmer shown in Fig. 45 has roller

bearings. This reduces the friction of the trimmer to a minimum, enabling the operator to manipulate it back and

forth on the edge of the straight edge with scarcely any effort.

The graduating plumb and level shown in Fig. 46 is made